4-sensor-system?? double CPU and advanced chipset for enhanced coverage and detection (0-1.5m).</br>A female voice will tell you the obstacle distance (0.4-2.0m) or warn you to "TOP" (0-2.0m) when the 4 sensors detect dangers.</br>With rear-view visibility: The system is complete with a monitor and camera .</br>The monitor has an Unique Design that Can be easily Foldable (when not in use) such that it will be well protected against dust dirt bumps scratches or whatsoever.</br>7 IR LEDS night vision features high Resolution and 135 degree viewing angles.</br></br>Product Description</br></br>Anti-freeze and rain proof. <br /> Easy to install the antenna can be attached to the inside of the rear bumper not affecting the car external appearance. <br /> You can connect it with monitor to see more conveniently <br /> Help to prevent dangerous and costly collisions. <br /> Help to provide increased safety for passengers pedestrians and family members who happen to be around the moving vehicle. <br /> <b>parking sensor Specification: </b> <br /> - voltage: 9DCV--15DCV <br /> - Rated voltage: 12DCV <br /> - Respond distance: 0.4m--2.0m <br /> - Alarm distance: 0--2.0m <br /> - Sensor diameter: 22m <br /> - Install mode: drill <br /> - Sensor angle: X/Y/60??C <br /> - Power: Max 1.5W <br /> - Alarm volume: 65dB <br /> - Power (wireless): 10mw <br /> - FM (wireless): 433MHz/2.4GHZ <br /> <br /> <b>Monitor Specification: </b> <br /> - Housing material: ABS plastic <br /> - Screen size: 4.3